The Repair Kit,valve, cataloged under National Stock Number 4820-01-659-1552, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Watts Regulator Company. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-659-1552 |
| Primary Part Number | LFRK 909-RT 3" |
| Item Name | Repair Kit,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Watts Regulator Company |
| Status | ACTIVE |
| Valve Model Number for Which Designed | 909,LF909 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| LFRK 909-RT 3" PRIMARY | Watts Regulator Company (USA) |
| 0794089 PRIMARY | Watts Regulator Company (USA) |
NSN 4820-01-659-1552 is a Repair Kit,valve, manufactured by Watts Regulator Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-659-1552 has 2 manufacturer part numbers on file: LFRK 909-RT 3" (Watts Regulator Company), 0794089 (Watts Regulator Company).
Key specifications for LFRK 909-RT 3": Valve Model Number for Which Designed: 909,LF909; Special Features: KIT CONSISTS OF: CHECK DISC, COVER O-RING, SLEEVE O-RING, PISTON O-RING, RV DISC ASSEMBLY, DIAPHRAGM, PISTON SEAL AND LUBRICANT;; Part Name Assigned by Controlling Agency: COMPLETE RUBBER PARTS KIT; End Item Identification: BACKFLOW PREVENTER, REDUCED PRESSURE ZONE ASSEMBLY;. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.